Home / 82,961.04-124,416-23,780.88

Finding the Fourth Proportional to 82,961.04, 124,416 and 23,780.88

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Solution

The fourth proportional to 82,961.04, 124,416 and 23,780.88 is: 35,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,961.04 : 124,416 = 23,780.88 : x
  2. Step 2: Convert to fraction form
    82,961.04/124,416 = 23,780.88/x
  3. Step 3: Cross multiply
    82,961.04x = 124,416 × 23,780.88
  4. Step 4: Simplify right side
    82,961.04x = 2,958,721,966.08
  5. Step 5: Solve for x
    x = 2,958,721,966.08/82,961.04
  6. Step 6: Final answer
    x = 35,663.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.